Home / 68,722.46-103,099.86-21,335.14

Finding the Fourth Proportional to 68,722.46, 103,099.86 and 21,335.14

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Solution

The fourth proportional to 68,722.46, 103,099.86 and 21,335.14 is: 32,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.46 : 103,099.86 = 21,335.14 : x
  2. Step 2: Convert to fraction form
    68,722.46/103,099.86 = 21,335.14/x
  3. Step 3: Cross multiply
    68,722.46x = 103,099.86 × 21,335.14
  4. Step 4: Simplify right side
    68,722.46x = 2,199,649,947.08
  5. Step 5: Solve for x
    x = 2,199,649,947.08/68,722.46
  6. Step 6: Final answer
    x = 32,007.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.